Near earth objects, our celestial neighbors-opportunity and risk  proceedings of the 236th symposium of the IAU held in Prague, Czech Republic, 14-18 August, 2006 
edited by Andrea Milani, Giovanni B. Valsecchi and David Vokrouhlicky                                               
 - Cambridge  Cambridge University Press  2007 
 - xxiv, 500p. 
 - IAU symposium; no. 236 .
<br/><br/><label>ISBN: </label>0-521-86345-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets-Congresses<br/>Near-Earth asteroids-Congresses<br/>Outer space-Exploration-Congresses.
<br/><br/><label>Universal Decimal Class. No.: </label>082.2:52  / IAU-S236